UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iELZgXxUHYVNO7qU+sSx0fFO+8x4NeB7XFpS2gljBUw=' 
WHERE 
  key_id = '51f02718ca439b84948cc924ffd764cfcaaef888fa30f145f7421fbb9082fc4a' 
  AND (
    token = 'iELZgXxUHYVNO7qU+sSx0fFO+8x4NeB7XFpS2gljBUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )