INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b15105f2f1a8774893a0485880159b2cc79995ab1a041a5ce135831ab121e90', 
    'nllDHzowyvgcAx5w/BCvmZhsuopUOtHmOTp27d45lDA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)