UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'akwU3n3TDlm1fNWVn1uXsqsHZ+5Bbt4SLCErU2AHzik=' 
WHERE 
  key_id = '21b98cd99f3c3acade1d6ea1b304346351ce4b4413cedc4bd4df470b11db1557' 
  AND (
    token = 'akwU3n3TDlm1fNWVn1uXsqsHZ+5Bbt4SLCErU2AHzik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )