UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDGayLPyCAjMgPAH0HNleHJiB8mcv7ezj6rinI7lHyg=' 
WHERE 
  key_id = '76ad3d50124d0eac2ac583ffe46ad47793a4330b53eb46b8811d72ab7a5b9f36' 
  AND (
    token = 'MDGayLPyCAjMgPAH0HNleHJiB8mcv7ezj6rinI7lHyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )