Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '493839ae48684accda2828a2a9a66064e9893fd6ef5710510b901f8bf3975d09' 
  AND token = 'woC4BBW5QpPbpWaSa8lXC/LBmRQDIBp6+Z5p4hns+w8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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