UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XsvQNlAw6GHDBTX624dW+fjAr1CTv96MCdI/0Jh0+4w=' 
WHERE 
  key_id = '9cdef2556386764a316948ec6287e2e8e01d35dd9681f91d13a17a783de8542d' 
  AND (
    token = 'XsvQNlAw6GHDBTX624dW+fjAr1CTv96MCdI/0Jh0+4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041