UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X7Lz5vJCRLUVmIj8tbdERgpkDCUaXvQOYXZzK38j0Pw=' 
WHERE 
  key_id = '70bbffd16b9b9f10a0e6b90e89672228f9302e60403ba7784a60fd71c8993065' 
  AND (
    token = 'X7Lz5vJCRLUVmIj8tbdERgpkDCUaXvQOYXZzK38j0Pw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045