UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nTvdkoYK6gTZGQKQK1U1L8FFfAAVp87lGxZwYeT6M98=' 
WHERE 
  key_id = '51d38a8537cff1e637dda58b72352045ded7809fb7abc1c122fe3d47383f302b' 
  AND (
    token = 'nTvdkoYK6gTZGQKQK1U1L8FFfAAVp87lGxZwYeT6M98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )