Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '050c838ba45b772dfa0fee4965b760c4539e79ecaea24796fc04a485d7bc31ce' 
  AND token = 'Q/HouwkCaQ4ymx8DYokzDNybHh2aLqiGaJf162c0B0I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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