Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7305c36d0a2c57068a986ca47e4219aba05f7525f2ae7fc0ec3f4bfa3a33050d' 
  AND token = '4teWMliblaezIuTCWQC4bdXQKr3l8gWnV7EGday0rDs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00077

JSON explain

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