UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lPcG0pKUh36nR+C2w5Qb5VPOKndQfyW8NfL/TSxkhhA=' 
WHERE 
  key_id = '1537be199fe4f28e3fa1071816dfb314b15d60b0ce849f5fd863e180db2b3b55' 
  AND (
    token = 'lPcG0pKUh36nR+C2w5Qb5VPOKndQfyW8NfL/TSxkhhA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )