UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'me4xYuRK3a2pWns6yXJDuyffi9kmymMvogdbxjkI3kc=' 
WHERE 
  key_id = '887f8497cf15c70f56dd799d0f0a3c8abaa74d100239778b967ab4ba63c8611f' 
  AND (
    token = 'me4xYuRK3a2pWns6yXJDuyffi9kmymMvogdbxjkI3kc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )