INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6b8fe8c32cd73390843db0f8428a8182790115ad69647580c83d3347b0c21dc', 
    '+BJnfUwIEwl5Iv764A6m8ot7bITFZfUH3Ft/tBDiVIk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)