UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Ci6jjql6PHH2hAoxFI9RBCX2XCS/tXWslmhEIw9XSI=' 
WHERE 
  key_id = '4d420344abcb087922628cb33882cdee8f27074a16433a1b83a568aa5d5d395c' 
  AND (
    token = '/Ci6jjql6PHH2hAoxFI9RBCX2XCS/tXWslmhEIw9XSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )