UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Le+Ffrn5s4AwJsbxr2HPi2HWH4gfQx5osvdOLZsoa/Q=' 
WHERE 
  key_id = 'b7a6ea750c68a1af12669bc87eb297aa97fae00b2b6e8428148c89a9e1ae22f1' 
  AND (
    token = 'Le+Ffrn5s4AwJsbxr2HPi2HWH4gfQx5osvdOLZsoa/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023