UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sgKTPcEbF8gNiRq0tE3BoeUV0HKvoYkwdZ5gAXM07uI=' 
WHERE 
  key_id = '4d18a41b055b3e59d2dfc00e3b0265e6b55263d44666ee012a56ebd2513629a9' 
  AND (
    token = 'sgKTPcEbF8gNiRq0tE3BoeUV0HKvoYkwdZ5gAXM07uI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037