UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'niEWaifti7gUs2prRiMsQtrGSmBP38EFg0QtIgBlWnA=' 
WHERE 
  key_id = '181c8610bc147d46b07629fcd0817e4f97d7838619b8a2258bf2888ba98b14a7' 
  AND (
    token = 'niEWaifti7gUs2prRiMsQtrGSmBP38EFg0QtIgBlWnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )