UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VYStzg/0pGx+Bo1rVxMJ18QbvsMvGM2wnm+04h1T32I=' 
WHERE 
  key_id = '73e5c3c653e53b0ae241a0f2923f0a0b67724c41422e37035bb1ffa44ddef9bb' 
  AND (
    token = 'VYStzg/0pGx+Bo1rVxMJ18QbvsMvGM2wnm+04h1T32I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026