Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6f6054c202d7e60dbebe3e190a88dd73e2d2b047cc0182af063a5a62a9c1ae40' 
  AND token = 'k1uky/xpCtAsIqoGHTFQ/NMspzHNbYfZgDBTNdEt2BA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00084

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}