UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't7yemuV1bnCcvpNX31sVgYjzfpY8Q91Ve3bfOJsOO/4=' 
WHERE 
  key_id = '3c939d7f3c8ae8911d8a0f85ed3f8f84980e3fe402d9e8294b6692f33ea18928' 
  AND (
    token = 't7yemuV1bnCcvpNX31sVgYjzfpY8Q91Ve3bfOJsOO/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )