UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNcuKnPq9NA7QNFPA0rEi4c512tXrciWZeoJLADH4Hk=' 
WHERE 
  key_id = '3a64764fa8158a1b615b32706e9b8dd4a39980628235ea9ad11a58d259b91bbe' 
  AND (
    token = 'PNcuKnPq9NA7QNFPA0rEi4c512tXrciWZeoJLADH4Hk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040